US3564641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable vacuum unit
Assignee: Wahl Clipper Corp
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Filing: 1968-10-14
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Granted: 1971-02-23
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Expires: 1988-10-14
Abstract
Abstract A PORTABLE VACUUM UNIT ADAPTED FOR COUNTERTOP USE INCLUDES A HOUSING, A VACUUM CHAMBER WITHIN THE HOUSING AT ONE END THEREOF FOR RECEIVING A REFUSE BAG IN THE CHAMBER, A DOOR ON THE HOUSING PROVIDING ACCESS TO THE CHAMBER, A VACUUM HOSE-RECEIVING OPENING EXTENDING THROUGH THE DOOR FOR COMMUNICATION WITH THE INTERIOR OF THE CHAMBER, A PERFORATED BASE PLATE ON THE HOUSING FORMING AN ENCLOSURE THEREWITH, AND A MOTOR AND FAN ASSEMBLY MOUNTED ON THE BASE PLATE WITHIN THE HOUSING FOR COMMUNICATION WITH THE INTERIOR OF THE CHAMBER.
Inventors
- 👤 Roy E Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:14
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |